Home / 3,657.84-5,481.18-2,174.10

Finding the Fourth Proportional to 3,657.84, 5,481.18 and 2,174.10

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Solution

The fourth proportional to 3,657.84, 5,481.18 and 2,174.10 is: 3,257.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,657.84 : 5,481.18 = 2,174.10 : x
  2. Step 2: Convert to fraction form
    3,657.84/5,481.18 = 2,174.10/x
  3. Step 3: Cross multiply
    3,657.84x = 5,481.18 × 2,174.10
  4. Step 4: Simplify right side
    3,657.84x = 11,916,633.44
  5. Step 5: Solve for x
    x = 11,916,633.44/3,657.84
  6. Step 6: Final answer
    x = 3,257.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.